package com.jiawen.service.impl;

import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.HttpServerCodec;


public class HelloServerInitializer extends ChannelInitializer<SocketChannel> {
    @Override
    protected void initChannel(SocketChannel channel) throws Exception {
        // 通过SocketChannel去获得对应的管道
        ChannelPipeline pipeline = channel.pipeline();
        // 通过管道,添加handler
        // HttpServerCodec是由netty自己提供的助手类,可以理解为拦截器
        // 当请求到服务端,我们需要做解码,响应到客户端做编码
        pipeline.addLast("HttpServerCodec", new HttpServerCodec());
        // 添加自定义的助手类,返回 "hello netty~"
        pipeline.addLast("customHandler", new CustomHandler());

    }

}